Anthropic

Skill Creator — Development skill for Claude Code

Development official Advanced

Create new skills, modify existing skills, and measure skill performance.

How to install Skill Creator

Installs to ~/.claude/skills/skill-creator/

Terminal

git clone --depth 1 https://github.com/anthropics/skills /tmp/skills \
  && mkdir -p ~/.claude/skills \
  && cp -r /tmp/skills/skills/skill-creator ~/.claude/skills/skill-creator

Clones the whole repository, because a skill folder can carry scripts and resources beside its SKILL.md.

What Skill Creator does

Interactive skill creation tool that guides through building new skills with evaluation and iteration. Covers drafting skills, creating test prompts, running evaluations, benchmarking with variance analysis, and optimizing skill descriptions for triggering accuracy.

The README for anthropics/skills is shared by 21 entries and is shown on algorithmic-art.

When Claude uses Skill Creator

Trigger

When users want to create, edit, optimize, or evaluate skills

Tools it reaches for:

WriteReadBash

Alternatives in Development

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